1838297 has 2 divisors, whose sum is σ = 1838298. Its totient is φ = 1838296.

The previous prime is 1838257. The next prime is 1838299. The reversal of 1838297 is 7928381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 18496 = 1349^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1838297 - 2⁶ = 1838233 is a prime.

Together with 1838299, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1838297.

It is not a weakly prime, because it can be changed into another prime (1838299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919148 + 919149.

It is an arithmetic number, because the mean of its divisors is an integer number (919149).

2^1838297 is an apocalyptic number.

It is an amenable number.

1838297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838297 is an equidigital number, since it uses as much as digits as its factorization.

1838297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 1838297 is about 1355.8381171807. The cubic root of 1838297 is about 122.5006969279.

The spelling of 1838297 in words is "one million, eight hundred thirty-eight thousand, two hundred ninety-seven".